CVEs-PoC/2021/CVE-2021-25437.md

### [CVE-2021-25437](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-25437)
![](https://img.shields.io/static/v1?label=Product&message=Tizen%20wearable%20devices&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=Tizen%205.5%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-20%3A%20Improper%20Input%20Validation&color=brightgreen)

### Description

Improper access control vulnerability in Tizen FOTA service prior to Firmware update JUL-2021 Release allows attackers to arbitrary code execution by replacing FOTA update file.

### POC

#### Reference
- https://security.samsungmobile.com/serviceWeb.smsb?year=2021&month=7

#### Github
- https://github.com/imssm99/imssm99
- https://github.com/jungyoon-lee/jungyoon-lee